JSON_ARRAY_EXCEPT（Lakehouse v1）

返回一个新的 JSON 数组，包含第一个 JSON 数组中不存在于第二个 JSON 数组的元素。

SQL 语法

JSON_ARRAY_EXCEPT(<json_array1>, <json_array2>)

返回类型

JSON 数组。

SQL 示例

SELECT JSON_ARRAY_EXCEPT(
    '["apple", "banana", "orange"]'::JSON,
    '["banana", "grapes"]'::JSON
);

-[ RECORD 1 ]-----------------------------------
json_array_except('["apple", "banana", "orange"]'::VARIANT, '["banana", "grapes"]'::VARIANT): ["apple","orange"]

-- Return an empty array because all elements in the first array are present in the second array.
SELECT json_array_except('["apple", "banana", "orange"]'::VARIANT, '["apple", "banana", "orange"]'::VARIANT)

-[ RECORD 1 ]-----------------------------------
json_array_except('["apple", "banana", "orange"]'::VARIANT, '["apple", "banana", "orange"]'::VARIANT): []